HK56477A - Improvements in or relating to the refining of steels - Google Patents
Improvements in or relating to the refining of steelsInfo
- Publication number
- HK56477A HK56477A HK564/77A HK56477A HK56477A HK 56477 A HK56477 A HK 56477A HK 564/77 A HK564/77 A HK 564/77A HK 56477 A HK56477 A HK 56477A HK 56477 A HK56477 A HK 56477A
- Authority
- HK
- Hong Kong
- Prior art keywords
- steels
- refining
- relating
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
- C21C5/5217—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace equipped with burners or devices for injecting gas, i.e. oxygen, or pulverulent materials into the furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB540968 | 1968-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK56477A true HK56477A (en) | 1977-11-18 |
Family
ID=9795642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK564/77A HK56477A (en) | 1968-02-02 | 1977-11-10 | Improvements in or relating to the refining of steels |
Country Status (8)
Country | Link |
---|---|
BE (1) | BE727735A (en) |
CH (1) | CH519024A (en) |
DE (1) | DE1904914A1 (en) |
ES (1) | ES363201A1 (en) |
FR (1) | FR2001274A1 (en) |
GB (1) | GB1259275A (en) |
HK (1) | HK56477A (en) |
NO (1) | NO128331B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4212665A (en) * | 1978-07-27 | 1980-07-15 | Special Metals Corporation | Decarburization of metallic alloys |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR564035A (en) * | 1922-03-17 | 1923-12-19 | Refining process for low carbon ferrous alloys | |
FR565353A (en) * | 1922-04-25 | 1924-01-25 | Improvements in the extraction and refining of metals and alloys |
-
1968
- 1968-02-02 GB GB540968A patent/GB1259275A/en not_active Expired
-
1969
- 1969-01-30 FR FR6902474A patent/FR2001274A1/en active Granted
- 1969-01-31 CH CH157169A patent/CH519024A/en not_active IP Right Cessation
- 1969-01-31 BE BE727735D patent/BE727735A/xx unknown
- 1969-01-31 NO NO00371/69A patent/NO128331B/no unknown
- 1969-01-31 DE DE19691904914 patent/DE1904914A1/en active Pending
- 1969-02-01 ES ES363201A patent/ES363201A1/en not_active Expired
-
1977
- 1977-11-10 HK HK564/77A patent/HK56477A/en unknown
Also Published As
Publication number | Publication date |
---|---|
ES363201A1 (en) | 1970-12-01 |
CH519024A (en) | 1972-02-15 |
BE727735A (en) | 1969-07-01 |
FR2001274B1 (en) | 1974-05-03 |
FR2001274A1 (en) | 1969-09-26 |
DE1904914A1 (en) | 1972-02-17 |
NO128331B (en) | 1973-10-29 |
GB1259275A (en) | 1972-01-05 |
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